Viper V10-488 8.0L (1992)
Crankshaft Main Bearing: Description and Operation
NOTE: Bearing caps are not interchangeable and should be marked at removal to insure correct assembly.
GENERAL
Upper and lower bearing halves are NOT interchangeable. Lower main bearing halves of 1, 2, 4, 5 and 6 are interchangeable. Upper main bearing
halves of 1, 2, 4, 5 and 6 are interchangeable.
IDENTIFICATION
Upper and lower Number 3 bearing halves are flanged to carry the crankshaft thrust loads and are NOT interchangeable with any other bearing
halves in the engine. All bearing cap bolts removed during service procedures are to be cleaned and oiled before installation. Bearing shells are
available in standard and the following undersizes: 0.025 mm (0.001 inch), 0.051 mm (0.002 inch), 0.076 mm (0.003 inch), 0.254 mm (0.010
inch), 0.305 mm (0.012 inch) and 0.508 mm (0.020 inch). Never install an undersize bearing that will reduce clearance below specifications.